E8034
Emergency-Stop
Bosch Rexroth · IndraDrive C Drive Controllers
What does E8034 mean?
An Emergency Stop condition has been detected, causing an immediate and controlled shutdown of the drive and potentially the entire machine. This is a critical safety response.
Common Causes
- Emergency Stop button pressed.
- Activation of an external safety device (e.g., light curtain, safety gate switch).
- Fault in the emergency stop circuit wiring or components.
- Safety PLC or logic error triggering the Emergency Stop.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Identify and release the activated Emergency Stop button or reset the safety device that triggered the E-Stop.
- 2
Verify the integrity of the Emergency Stop circuit wiring, including all series-connected safety contacts.
- 3
Check the status of all safety inputs to the drive or safety PLC to identify which one initiated the E-Stop.
- 4
Reset the drive and machine control system once the E-Stop condition is cleared and confirmed safe.
Verified technical data. Last updated: March 2026
Related Faults
Source: Bosch Rexroth IndraDrive C Drive Controllers